Arguments arguments = sampler.getArguments();
Argument arg = arguments.getArgument(0);
arg.setValue("postData");
String response_data = prev.getResponseDataAsString();
prev.setResponseData("reqDencryptJSON".getBytes("UTF-8"));
log.info("Script execution failed================PostProcessor=========================", exception);
log.info("Script execution failed================PostProcessor=========================");
https://github.com/apache/jmeter https://github.com/beanshell/beanshell